Re: User vs. Kernel (was: To be smug, or not to be smug, that is the

Kev (klmitch@mit.edu)
Fri, 22 Jan 1999 22:15:04 EST

> > >If your process gets a signal, read() will return -1 and set
> > >errno to EINTR. You must try the system call again, in a loop,
> >
> > This does not happen on Linux, at least not when using Libc 5, without
> > undefining GNU or something like that. The GNU C library by default doesn'
> t
> > interrupt the read or write call when the process receives a signal.
>
> What does it have to do with the C library? read() is a system call.

actually, read() is a wrapper for __read(), which is the system call
(glibc-2.0.7-29, RedHat 5.2).

-- 
Kevin L. Mitchell <klmitch@mit.edu>
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